Home / 538,181.84-742,749.28-296,489.18

Finding the Fourth Proportional to 538,181.84, 742,749.28 and 296,489.18

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Solution

The fourth proportional to 538,181.84, 742,749.28 and 296,489.18 is: 409,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,181.84 : 742,749.28 = 296,489.18 : x
  2. Step 2: Convert to fraction form
    538,181.84/742,749.28 = 296,489.18/x
  3. Step 3: Cross multiply
    538,181.84x = 742,749.28 × 296,489.18
  4. Step 4: Simplify right side
    538,181.84x = 220,217,124,972.79
  5. Step 5: Solve for x
    x = 220,217,124,972.79/538,181.84
  6. Step 6: Final answer
    x = 409,187.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.